014~015 쪽

ACT 01

014~015 쪽

ACT 02

016~017 ^쪽

ACT 03

018~019 쪽

ACT 04

022~023 쪽

ACT + ⁰⁵

024~025 쪽

스피드 정답 스피드 정답은 각 문제의 정답만을 모아 놓아 채점하기에 유용합니다.

Chapter I ^{소인수분해}

19

^×

20

^◯

21

^×

22

^◯

23

^× 24 ^{③, ④}

13

4

^개,

16

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14

5

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15

^개

15

5

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15

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16

3

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17

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17

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17

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3^2&\5^3&\7^4 15

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^⑴

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4

19

(1 / 13)^^5

^또는

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1

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17 ^⑤

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10

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03

21

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2

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06 ^⑴

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12

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15

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8

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08 ^⑤ 09 ^③ 10 ^③

http://zuaki.tistory.com

02 _ 기적의 중학 연산 1A

ACT 06

028~029 쪽

ACT 07

030~031 쪽

ACT 08

032~033 쪽

ACT 09

034~035 쪽

ACT 10

036~037 쪽

ACT + ¹¹

038~039 쪽

17

1

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3

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9

18

1

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2

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3

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6

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12 19

1

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23

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48 22

25

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56

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12

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05

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16

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24

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32

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40

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48

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12

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24

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48

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72

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24

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48

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24

06

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10

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15

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240 01

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03

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9

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5

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6

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90 04

최대공약수 :

5

최소공배수 :

150

09

16 10

21 11

28 12

45 13

20 05

최대공약수 :

6

최소공배수 :

126 06

^{최대공약수 :}

8

최소공배수 :

168 07

6

08

9

01

4 02

12

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1

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675

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2^3

/ 120

10

180

11

240 12

216 05

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3

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06

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6 08

18

13

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14

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16

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200

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15

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18

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14

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48

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120

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5

cm

07 ^⑴

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cm

^⑵

20

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14

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09

28

cm

10 ^⑴

36

cm

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90

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16

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1

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ACT 13

048~049 쪽

ACT 14

050~051 쪽

ACT 15

052~053 쪽

Chapter II ^{정수와 유리수}

08 _-6-5-4 -3 -2 -1 0 +1 +2 +3 +4 +5^{A B} ₊₆

19 _-6-5-4 -3 -2 -1 0 +1 +2 +3 +4 +5^{A B}₊₆

20 _-6^A_-5-4 -3 -2 -1 0 +1 +2 +3 +4 +5^B ₊₆

21 _-6-5-4 -3 -2 -1 0 +1 +2 +3 +4 +5^A ₊₆^B

22 _-6-5-4 -3 -2 -1 0 +1 +2 +3 +4 +5^{A B} ₊₆

23 _-6-5^A-4 -3 -2 -1 0 +1 +2 +3 +4 +5^B ₊₆

01

-5

°

C

02

+15

%

03 +6000

^원 /

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22

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6 12

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|0|=0 14

|+19|=19

15

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|-2.6|=2.6 17

|+3 / 4|=3 / 4

18

|-2 / 3|=2 / 3 19

-8

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21

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-5

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-7

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+1 / 2

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a=15

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b=-2 18

-10 / 3

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19

_{-4 -3 -2 -1}^{A B} _{0 +1 +2 +3 +4}

20

_{-4 -3 -2 -1} ^A_{0 +1 +2 +3}^B ₊₄ 21 _{-4 -3 -2 -1}^A _{0 +1 +2 +3}^B ₊₄

22

_{-4 -3}^A_{-2 -1 0 +1 +2 +3}^B ₊₄

23

_-4 ^A_{-3 -2 -1 0 +1 +2 +3}^B ₊₄ 24 ^④

01

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-4

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+5 / 2

ACT + ¹²

040~041 쪽

TEST 01

042~043 쪽

01 ^⑤ 02 ^{①, ④} 03 ^④ 04

2\5^2

^` 05

2\7^2

^`

06

5

07 ^⑤ 08

14

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1

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120

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19 ^②

20 ^오전

8

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^분 01

1

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2

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4

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02

21

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6

04

120

05

360

06

540

10

72

11

92

12

181

07

6

08

8

09

15

http://zuaki.tistory.com

04 _ 기적의 중학 연산 1A

ACT 16

054~055 쪽

ACT 17

056~057 쪽

ACT + ¹⁸

058~059 쪽

ACT + ¹⁹

060~061 ^쪽

TEST 02

062~063 쪽

01 ^⑴

2

^⑵

6

^⑶

20

02

5

03

9 / 2

04 _-6-5 -4 -3 -2 -1 0 +1 +2 +3 +4 +5₊₆

05

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1

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07

|+1 / 3|=1 / 3

08

a=11

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b=-6

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15 ^④

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20

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1 / 6-<x-<8.2

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^{㉡, ㉢}

24

^{㉠, ㉣, ㉤} 25 ^⑤

01

<

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x<0 04

x>10 05

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x-<-3 / 4 07

x-<12

08

x->5 / 8 09

<

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10

0-<x-<2 / 3 11

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2<x<5.9 13

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14

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j

16

i 17

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1 / 4-<x-<0.7

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http://zuaki.tistory.com

ACT 20

068~069 쪽

ACT 21

070~071 쪽

ACT 22

074~075 쪽

ACT 23

076~077 쪽

01

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-3

08

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4

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22

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-26

26 ^②

Chapter III 정수와 유리수의 계산

01

1

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06

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37 / 30 17

124 / 105 18

35 / 12 19

33 / 8 20

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5 / 18

22

5 / 56 23

17 / 36 24

17 / 60 25

21 / 10 26

97 / 40 27

10 / 3 28

19 / 28

01

6 / 7 02

5 / 2 03

33 04

12 / 5 05

9 / 20 06

15 / 28 07

1 / 6

08

15 / 14 09

11 / 12

10

27 / 8 11

6 12

36 / 5 13

65 / 8 14

40 / 11 15

2

^,

3 / 8

16

2 / 7 17

28 18

50 19

3 / 2 20

1 / 2 21

5 / 18 22

7 / 6 23

5 / 18

24

3 / 10 25

14 / 11 26

16 / 3 27

15 / 16 28

14 / 15 29

7 / 6 30

5 / 12

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06 _ 기적의 중학 연산 1A

ACT 24

078~079 쪽

ACT 25

080~081 쪽

ACT 26

082~083 쪽

ACT + ²⁷

084~085 쪽

ACT 28

088~089 쪽

01

+

^,

5

^,

+10 02

+32 03

+18 04

+63 05

+88 06

+98

07

+

^,

6

^,

+24 08

+35 09

+18 10

+64 11

+60 12

+72

13

-

^,

5

^,

-20 14

-40 15

-12 16

-72 17

-36 18

-100

19

-84 20

-91 21

-

^,

4

^,

-12 22

-32 23

-10 24

-63

25

-24 26

-170 27

-70 28

-42 29

-225

30 ^②

01

+5

/

+7

02

-4

/

-13 03

-2

/

+5 04

-8

/

-5 05

+1

/

-4 06

+9

/

+7

07

+10 08

+13 09

+40 10

-12 11

-25 12

-52

13

+6 14

+1 15

+6 16

+12 17

+11 18

-4

19

-5 20

-7 21

-10 22

+7 23

+11 24

+22

25

+28 26

-5 27

-7 28

-15 29

-31

30 ^{④, ⑤}

01 ^⑴

+2

^⑵

-8

^⑶

+12

⑷

-5.7

^⑸

-43 / 42

02 ^{②, ④}

03 ^⑴

-12

^⑵

+29

⑶

-6

^⑷

-23

04

-2 / 9

05 ^⑤

06 ^⑴

+15

^⑵

+28

07 ^③

08

-19.4

09 ^⑴

+2

^,

-2

⑵

+1

^,

-1

⑶

+3

^,

+1

^,

-1

^,

-3

⑷

+3

10

-10

11

+11

/

-11 01

+3

02

+9.2 03

-4.5 04

-11.6 05

+2.2 06

+1.4 07

-2.1 08

-3.6

09

+1.3 10

+7.4 11

-2.6 12

-7.9 13

+5 / 8 14

+31 / 30 15

-13 / 11

16

-17 / 16 17

+11 / 6 18

+3 / 4 19

+17 / 12 20

-13 / 45

21

-5 / 14 22

-1 / 18 23

+1 / 21 24

+13 / 36 25

+11 / 26

26

-5 / 12 27

-5 / 56 28

+38 / 5 29

-23 / 10

30

+37 / 12 01

+6

02

+16.8 03

-3.1 04

-8.2 05

+1.3 06

+3.7 07

+1.1 08

+1.8

09

-1.4 10

-3.9 11

-4.7 12

-3.6 13

+2 14

+13 / 30 15

-21 / 20

16

-13 / 18 17

+1 / 4 18

+1 / 56 19

+5 / 18 20

+1 / 36

21

+19 / 34 22

-25 / 56 23

-1 / 12 24

-23 / 24 25

-13 / 36

26

-49 / 60 27

-7 / 48 28

+22 / 5

29

-22 / 15

30 ^⑤

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ACT 29

090~091 쪽

ACT 30

092~093 쪽

ACT 31

094~095 ^쪽

ACT + ³²

096~097 쪽

TEST 03

098~099 쪽

01

+

^,

5

^,

+2 02

+7 03

+6 04

+8 05

+7 06

+6

07

+

^,

6

^,

+3 08

+4 09

+8 10

+7 11

+41 12

+2

13

-

^,

5

^,

-3 14

-7 15

-4 16

-4 17

-6 18

-24

19

-13 20

-5 21

0

22

-

^,

8

^,

-9 23

-8 24

-9

25

-7 26

-9 27

-8 28

-16 29

-4

30 ^⑤

01

+0.6 02

+6 03

-0.9 04

-4 05

-6 06

+1 / 4 07

-1 / 6

08

+10 09

+9 / 7 10

-8 / 5 11

+4 / 9

^,

+4 / 3 12

+5 / 6

13

+21 / 5 14

+15

15

+2 / 3 16

+22 17

-9 / 14 18

-9 / 16

19

-1 / 24 20

-9 / 35 21

-3 / 25 22

-9 / 8 23

-7 / 16

24

-8 / 7 25

0 26

-4 / 5

27

+3 / 4

28

-16 01

+0.08

02

+4 03

+0.39 04

+0.3 05

+0.34 06

+10 07

-0.63 08

-0.48

09

-2.46 10

-9.6 11

-1.28 12

-3.57 13

+1 / 10 14

+3 / 10

15

+1 / 10 16

+3 / 35 17

+2 / 3 18

+7 / 15 19

-7 / 15

20

-2 / 21 21

-3 / 2 22

-13 / 6 23

-42 / 5 24

-15 / 8

25

-8 / 7 26

-1 / 4

27

-3 / 13 28

0 29

-6

30 ^{㉡, ㉢}

01 ^② 02

<

03 ^{③, ⑤}

04

+

^,

+

^,

2

/

-

^,

4

05 ^④

06

-3.8

07

-14 / 27

08

+40 / 63

09

+77 / 10

10

-37 / 42

11 ^④ 12 ^②

13

+5 / 4

^,

-45

14

-0.45

15

+5 / 6

16

-20 / 3

17 ^③ 18 ^⑤ 19

-4 / 21

20

+18

01 ^⑴

+2

^,

+5 / 6

⑵

-0.4

^,

-1 / 3

02 ^⑤

03

+11 / 27

04 ^⑴

-6

^,

+7

⑵

-5

^,

+3 / 25

05

+1 / 45

06

-12

09 ^⑴

-4 / 3

⑵

-4

10 ^⑤ 11

-49

07 ^⑴

+2

^⑵

+3

⑶

-4

^⑷

+27 / 8

⑸

+3.6

^⑹

-3 / 14

08 ^④

http://zuaki.tistory.com

08 _ 기적의 중학 연산 1A

ACT 33

104~105 쪽

ACT 34

106~107 ^쪽

ACT 35

108~109 ^쪽

ACT 36

110~111 쪽

ACT 37

112~113 쪽

01

11

/

5 02

0 03

-5 04

-6 05

-6

06

-16 / 25

/

84 / 25

07

-79 / 9 08

29 / 3

09

23 / 6

10

13

/

-14

/

-1 11

-6

12

-8

13

1 14

3 15

-15 16

2

17

8

/

-8 / 9

/

64 / 9 18

25 / 8

19

4 20

-10 / 9 21

43 / 6&

22

-89 / 12

01

^교환

02

^결합

03

^{교환, 결합}

04

+ 05

-

06

+ 07

+210 08

-12 09

9 10

40

11

-1 / 5 12

1 / 18 13

-10 / 3

14

-2 / 5 15

8 / 3 16

1 / 4

17

-4 / 3 18

-2 / 3

19

1 / 45

20 ^㉡

01

2

^,

4

02

6-8 03

-1 / 4+9 / 2 04

-7+4-2 05

6 / 5-7 / 3-3 / 5 06

(+9)

^,

(+11) 07

(-10)+(+4) 08

(+2 / 3)-(+7 / 9)

09

(-8)-(+2.7)+(+15) 10

(+11 / 2)+(+4 / 11)-(+3 / 8) 11

-3

12

-7 13

-15 / 2 14

-1 15

-8 16

-15

17

+2 18

+38 / 15 19

-4 20

+9.12 21

-41.7 22

+6 / 5

23 ^④

Chapter IV 정수와 유리수의 혼합 계산

01

+1

+1 -1

-1 02

+1

-1 -1

+1

03

+1 -1 -1 +1 04

+1 +1 -1 -1

05

+ 06

+ 07

- 08

+ 09

-27 10

25 11

16 12

16 13

36

20

-18

21

27 / 2 22

-3 23

-9 / 16

24

35 / 2

25

(-1)^2

26

-(-1)^3 14

-125

15

1 / 4 16

49 / 25 17

-8 / 27 18

- 27 1000 19

-4 1 / 0 9 0 01

^교환

02

^결합

03

^{교환, 결합}

04

^{교환, 결합}

05

+1

06

-7 07

-12 08

0 09

+1 10

0

16

+1.96 17

-1 18

-1 / 15

19

+1 / 3

20

+49 / 5

21 ^㉠

11

-16

12

+16 13

-2 14

-20 15

-54

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ACT 38

114~115 쪽

ACT 39

116~117 쪽

ACT 40

118~119 쪽

ACT + ⁴¹

120~121 쪽

TEST 04

122~123 쪽

01

10

^,

7

/

50

^,

35

/

85 02

-495

03

196 04

-25 05

15

06

100

^,

4

/

200

^,

8

/

192

07

-32 08

-820 09

1 10

11

11

13

^,

17

/

30

/

-210 12

90

13

-1100 14

-150 15

-60 16

-13 17

180 18

-17

19

-25 20

-500 21

-218 22

20

23

11

01

㉡, ㉢, ㉤, ㉠

02

㉢, ㉣, ㉡, ㉤, ㉠

03

㉣, ㉢, ㉡, ㉠, ㉤

04

㉠, ㉡, ㉢, ㉣, ㉤

05

4 06

-14 07

2 08

4

09

-26 10

4 11

-39 12

69

13

96 14

-36 15

-1 16

-7 / 6

17

0 18

-1 19

1 / 4

20 ^⑤

01

2

02

22 03

-16 04

0

05

-19 / 10 06

49 07

-18

08

11 09

11 10

2 11

-19

12

-17 13

16 / 5 14

-5

19

-1 20

6

21 ^②

15

9

16

11 17

-5 18

3 / 8

01 ^① 02 ^㉠

03

(+5)

/

(-5)

/

(-5)

/

(-5)

/

+5

04

-7

05

-1 / 15

06

-2

07

+6

08 ^㉡

09 ^④ 10 ^⑤ 11 ^{②, ⑤} 12

5 / 4

17 ^② 18 ^③ 19

0

20 ^① 13

10 / 3

14

-1300

15

0

16 ^③ 01 ^⑴

1

⑵

-1

⑶

1

⑷

-1

02 ^① 03 ^⑤

04 ^⑴

1

/

-1

⑵

-1

/

1

⑶

1

/

-1

05 ^⑴

-1

/

1

⑵

1

/

-1

⑶

-1

/

1

06

1

07 ^⑴

<

^⑵

<

⑶

<

^⑷

<

08 ^③ 09 ^②

10 ^⑴

>

^⑵

<

⑶

<

^⑷

>

11 ^⑴

a<0

⑵

b>0

⑶

b-a>0

⑷

a^2&+b>0

12

a\b<0

http://zuaki.tistory.com